Bump actions/setup-python from v2.2.1 to v2.2.2
Bumps [actions/setup-python](https://github.com/actions/setup-python) from v2.2.1 to v2.2.2.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v2.2.1...dc73133d4da04e56a135ae2246682783cc7c7cb6)
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